// @ts-ignore
import { RasterLayer, Scene } from '@antv/l7';
// @ts-ignore
import { Map } from '@antv/l7-maps';
import React, { useEffect } from 'react';
import * as GeoTIFF from 'geotiff';

async function getTiffData() {
  const response = await fetch(
    'https://gw.alipayobjects.com/os/rmsportal/XKgkjjGaAzRyKupCBiYW.dat',
  );
  const arrayBuffer = await response.arrayBuffer();
  return arrayBuffer;
}

export default () => {
  useEffect(() => {
    const scene = new Scene({
        id: 'map',
        map: new Map({
          center: [ 105, 37.5 ],
          zoom: 2.5
        })
      });
      scene.on('loaded', () => {
        addLayer();
      });
      async function getTiffData() {
        const response = await fetch(
          'https://gw.alipayobjects.com/zos/antvdemo/assets/light_clip/lightF182013.tiff'
        );
        const arrayBuffer = await response.arrayBuffer();
        const tiff = await GeoTIFF.fromArrayBuffer(arrayBuffer);
        const image = await tiff.getImage();
        const width = image.getWidth();
        const height = image.getHeight();
        const values = await image.readRasters();
        return {
          data: values[0],
          width,
          height
        };
      }
      
      async function addLayer() {
        const tiffdata = await getTiffData();
      
        const layer = new RasterLayer({
          zIndex: 2,
          visible:false,
        });
        layer
          .source(tiffdata.data, {
            parser: {
              type: 'raster',
              width: tiffdata.width,
              height: tiffdata.height,
              extent: [ 73.4821902409999979, 3.8150178409999995, 135.1066187319999869, 57.6300459959999998 ]
            }
          })
          .style({
            clampLow: false,
            clampHigh: false,
            domain: [ 0, 90 ],
            nodataValue: 0,
            rampColors: {
              // type:'quantize',
              // colors:['#1b9e77','#d95f02','#7570b3','#e7298a','#66a61e','#e6ab02'],
              colors: [ 'rgba(92,58,16,0)', 'rgba(92,58,16,0)', '#fabd08', '#f1e93f', '#f1ff8f', '#fcfff7' ],
              positions: [ 0, 0.05, 0.1, 0.25, 0.5, 1.0 ]
            }
          });
          const raster = new RasterLayer({
            zIndex: 2,
            maskLayers: [layer],
            visible: true,
            enableMask: true,
        }).source(
            'https://tiles{1-3}.geovisearth.com/base/v1/img/{z}/{x}/{y}?format=webp&tmsIds=w&token=b2a0cfc132cd60b61391b9dd63c15711eadb9b38a9943e3f98160d5710aef788',
            {
                parser: {
                    type: 'rasterTile',
                    tileSize: 256,
                },
            },
        ).style({
            opacity: 1
        });
        scene.addLayer(raster);
        scene.addLayer(layer);
      }
  }, []);
  return (
    <div
      id="map"
      style={{
        height: '60vh',
        position: 'relative',
      }}
    />
  );
};
